IOCTL_SERIAL_IMMEDIATE_CHAR

This code transmits a specified character ahead of any pending data in the output buffer of a communications device.

Parameters

dwOpenData

Handle returned from a call to the COM_Open function.

dwCode

Specifies this code.

pBufIn

Ignored.

dwLenIn

Ignored.

pBufOut

Ignored.

dwLenOut

Ignored.

pdwActualOut

Ignored.

Remarks

The control code is declared in the Pegdser.h header file and defined in the Mdd.c file.

See Also

COM_IOControl, COM_Open